Knuckle flashlight



FIG. 1 is the front view of a knuckle flashlight showing my new design;

FIG. 2 is the top view thereof;

FIG. 3 is the bottom view thereof;

FIG. 4 is the left perspective view thereof;

FIG. 5 is the right perspective view thereof;

FIG. 6 is the left view thereof; and,

FIG. 7 is the right view thereof. 

CLAIM The ornamental design for a knuckle flashlight, as shown and described. 